UFC 148: Silva vs. Sonnen II Primetime (Full Video)

Leading up to their heated rematch at UFC 148: Silva vs. Sonnen 2, UFC middleweight champion Anderson Silva and challenger Chael Sonnen are the latest subjects featured in the behind-the-scenes special UFC Primetime.

As their rivalry has grown over the years, initially with a verbal onslaught from Sonnen, it boiled over recently with Silva’s venomous retort on the UFC 148 media conference call promoting the fight.